US3735833A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Theft prevention device for motor vehicles
Assignee: Individual
•
Filing: 1971-10-12
•
Granted: 1973-05-29
•
Expires: 1991-10-12
Abstract
Abstract A theft prevention device which is controlled through a door lock wherein the operating components are connected in operating position when the door lock is open and in inoperative position when the door lock is locked.
Inventors
- 👤 J Meple Height Sutkowski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:46
CPC Classifications
B; B60; B60R; B60R25/00; B60R25/01; B60R25/04
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
133 words
A system for preventing theft of a vehicle having an electrical storage battery and a plurality of doors providing access to the interior of the vehicle, the system comprising a key-operated door lock in at least one of the doors; a twoposition switch associated with said door lock; a rotary lock bolt-operating disk, a reversible electrical motor for driving the disk; a first connector means on the disk for connecting the motor with the battery to run in a direction unlocking the lock from a locked position attendant to the key being rotated to an unlocking position; and second connector means on the disk for connecting the motor with the battery to run in a direction locking the lock from an unlocked position attendant to the key being rotated to a locking position.
Claim 2
Independent Claim
133 words
A system for preventing theft of a vehicle having an electrical storage battery and a plurality of doors providing access to the interior of the vehicle, the system comprising a key-operated door lock in at least one of the doors; a twoposition switch associated with said door lock; a rotary lock bolt-operating disk, a reversible electrical motor for driving the disk; a first connector means on the disk for connecting the motor with the battery to run in a direction unlocking the lock from a locked position attendant to the key being rotated to an unlocking position; and second connector means on the disk for connecting the motor with the battery to run in a direction locking the lock from an unlocked position attendant to the key being rotated to a locking position.
Claim 3
Dependent Claim
61 words
The invention according to claim 1 and a hood lock comprising a pair of solenoids, and a bolt core slidable into one solenoid in unlocking position and into the other solenoid in locking position; means for connecting said one solenoid in series with said first connector means; and means for connecting the other solenoid in series with the second connector means.
Claim 4
Dependent Claim
57 words
The invention according to claim 2 and a trunk lock having a pair of solenoids with a locking bolt core slidable from one solenoid to the other, attendant to excitation of the respective solenoids, and means for connecting said one and the other solenoids in parallel with respective one and the other solenoids of the hood lock.
Claim 5
Dependent Claim
33 words
The invention according to claim 1 and a distributor ground lead and means for connecting and disconnecting said lead comprising connector means on the disk and movable therewith between locked and unlocked positions.
Claim 6
Dependent Claim
56 words
The invention according to claim 1 and said connector means comprising electrical conducting strips on the disk and contact means from the battery, said motor having contacts, each strip being associated with one battery and one coil contact and having a displacement to connect one pair of contacts while the other pair of contacts is disconnected.
Claim 7
Dependent Claim
48 words
The invention according to claim 1, and said disk having a toothed sector, and said motor having a worm gear driving said sector, and said disk mounting said connector means at circumferentially displaced positions, and said motor and battery having pairs of contacts associated with respective connector means.
Claim 8
Dependent Claim
61 words
The invention according to claim 6 and a distributor lead having a contact adjacent to the disk, a ground lead having a contact adjacent to the disk, connector means on the disk having a length to bridge the contacts in the open position of the door lock and movable with the disk To closed position sliding off at least one contact.
Claim 9
Dependent Claim
30 words
The invention according to claim 1 wherein said disk comprises a bolt and the door comprises a bolt-receiving jam, and said disk rotatable about an axis transverse to the door.
Claim 10
Dependent Claim
62 words
The invention according to claim 8, and said motor and disk being located in said door and said key lock operable of the locking and unlocking switch, and said motor having a momentum overrun to drive said disk to positions disconnecting the motor from the battery to stop the operation of the motor at the end of the locking and unlocking directions.
Claim 11
Dependent Claim
27 words
The invention according to claim 2 and an auxilliary switch for opening the hood lock when the door lock is closed during malfunctioning of the door lock.
References Cited (Backward Citations)
US2139183A
Cited
US2285397A
Cited
US2674334A
Cited
US3548373A
Cited
US3566703A
Cited
US3649782A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-05-28 | 1976-11-27 | 1977-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-05-28 | 1980-11-27 | 1981-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-05-28 | 1984-11-27 | 1985-05-29 | $7700.00 | Window Closed / Lapsed |